CN218648064U - Flashlight and battery pack thereof - Google Patents

Abstract

The application belongs to the technical field of batteries, and particularly relates to a flashlight and a battery assembly thereof. The battery component comprises a battery cell, a first PCB, a second PCB, a first electric connector and an insulating sleeve, wherein the first PCB and the second PCB are respectively positioned at two ends of the battery cell and are electrically connected with the battery cell; the first electric connector is attached to the outer side of the battery cell, one end of the first electric connector is electrically connected with one surface of the first PCB board facing the battery cell, and the other end of the first electric connector is electrically connected with one surface of the second PCB board facing the battery cell; the insulating sleeve covers the battery core, the first electric connector, the first PCB and the second PCB; the first PCB is provided with a first polarity part and a first conduction part at the part exposed out of the insulating sleeve, and the second PCB is provided with a second polarity part and a second conduction part at the part exposed out of the insulating sleeve. Can realize the intercommunication between control panel and the tail control panel through battery pack, guarantee that the casing can not electrified, satisfy explosion-proof and fire control requirement.

Description

Flashlight and battery pack thereof

Technical Field

The application belongs to the technical field of batteries, and particularly relates to a flashlight and a battery assembly thereof.

Background

The battery is widely applied to various fields of life and work of people as an energy supply device, and for example, a flashlight is taken as an example, and the battery is usually used for supplying power for the flashlight.

Currently, some flashlights include a metal housing, a battery mounted in the metal housing, and a control board and a tail control board respectively mounted in the metal housing and located at both ends of the battery, the control board and the tail control board being electrically connected by a wire. However, the wires connecting the control board and the tail control board can only pass through the space between the battery and the shell, when the wires contact the shell, the metal shell is easily electrified, and when the flashlight is applied to a special scene such as a mine or a fire rescue environment, the electrified shell easily ignites combustible gas or dust in the environment, so that potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a torch and battery pack thereof to solve the problem that the wire of connecting control panel and tail control board that exists among the correlation technique makes the casing electrified easily and causes the torch can't satisfy explosion-proof and fire control requirement.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

in one aspect, a battery assembly is provided, including:

an electric core;

the battery cell comprises a first PCB and a second PCB, wherein the first PCB and the second PCB are respectively positioned at two ends of the battery cell and are electrically connected with the battery cell;

the first electric connector is attached to the outer side of the battery cell, one end of the first electric connector is electrically connected with one surface of the first PCB board facing the battery cell, and the other end of the first electric connector is electrically connected with one surface of the second PCB board facing the battery cell;

the insulating sleeve covers the battery cell, the first electric connector, the first PCB and the second PCB, and one surface of the first PCB, which is away from the battery cell, and one surface of the second PCB, which is away from the battery cell, are partially exposed out of the insulating sleeve;

wherein, the part that first PCB board exposes in insulating cover is provided with first polarity portion and first conduction portion, and the part that the second PCB board exposes in insulating cover is provided with second polarity portion and second conduction portion, and first polarity portion is used for external power supply with second polarity portion, and first conduction portion is connected through first electric connector electricity with second conduction portion.

In one embodiment, a side of the first PCB board facing away from the battery cell is structurally the same as a side of the second PCB board facing away from the battery cell, the first polarity portion includes a first positive electrode and a first negative electrode, the second polarity portion includes a second positive electrode and a second negative electrode, the positive electrode of the battery cell and the negative electrode of the battery cell are respectively located at two ends of the battery cell, the first positive electrode and the second positive electrode are both electrically connected to the positive electrode of the battery cell, and the first negative electrode and the second negative electrode are both electrically connected to the negative electrode of the battery cell.

In one embodiment, the battery assembly further includes a second electrical connector for connecting the first positive electrode and the second positive electrode, the positive electrode of the battery cell faces the first PCB, the second electrical connector is attached to the outer side of the battery cell, the insulating sleeve covers the second electrical connector, one end of the second electrical connector is electrically connected to the positive electrode of the battery cell and one surface of the first PCB, which faces the battery cell, respectively, and the other end of the second electrical connector is electrically connected to one surface of the second PCB, which faces the battery cell.

In one embodiment, the battery assembly further includes a first insulating pad located between the first PCB and the positive electrode of the battery cell, one end of the second electrical connector has a first bending section and a second bending section that are spaced from each other, the first bending section is located on one side of the first insulating pad facing the positive electrode of the battery cell and electrically connected to the positive electrode of the battery cell, and the second bending section is located on one side of the first insulating pad facing the first PCB and electrically connected to the first PCB.

In one embodiment, the battery assembly further includes a third electrical connector for connecting the first negative electrode and the second negative electrode, the negative electrode of the battery cell faces the second PCB, the negative electrode of the battery cell is electrically connected with the second negative electrode, the third electrical connector is attached to the outer side of the battery cell, the insulating sleeve covers the third electrical connector, one end of the third electrical connector is electrically connected with one face of the second PCB, which faces the battery cell, and the other end of the third electrical connector is electrically connected with one face of the first PCB, which faces the battery cell.

In one embodiment, the battery assembly further comprises a second insulating pad, a fourth electrical connection piece is located between the second PCB and the negative electrode of the battery cell, one end of the fourth electrical connection piece is electrically connected with the negative electrode of the battery cell, the other end of the fourth electrical connection piece bypasses the second insulating pad and is electrically connected with one surface, facing the battery cell, of the second PCB, and the insulating sleeve covers the fourth electrical connection piece.

In one embodiment, the battery assembly further comprises an insulating ring located between the second insulating pad and the second PCB, the electronic component is mounted on a portion of the second PCB located in the insulating ring, and the other end of the fourth electrical connector respectively bypasses the second insulating pad and the insulating ring and is electrically connected with a side of the second PCB facing the battery cell.

In one embodiment, the first conduction part is located between the first positive electrode and the first negative electrode, and the second conduction part is located between the second positive electrode and the second negative electrode.

In one embodiment, the insulating sleeve is a heat shrink insulating sleeve.

On the other hand, the flashlight comprises a shell, a control board, a tail control board and a battery assembly, wherein the control board and the tail control board are respectively arranged in the shell;

the control board is respectively and electrically connected with the first polarity part and the first conduction part, and the tail control board is respectively and electrically connected with the second polarity part and the second conduction part; alternatively, the first and second liquid crystal display panels may be,

the control panel is connected with second polarity portion and second conduction portion electricity respectively, and the tail control panel is connected with first polarity portion and first conduction portion electricity respectively.

The flashlight and the battery assembly thereof provided by any one of the above embodiments of the present application have at least the following beneficial effects: the battery cell comprises a battery cell and is characterized in that a first PCB and a second PCB which are respectively electrically connected with the battery cell are arranged at two ends of the battery cell, and the first PCB and the second PCB are mutually and electrically connected through a first electric connector. The insulating cover wraps the electric core, the first electric connecting piece, the first PCB and the second PCB, and one side of the first PCB, which is back to the electric core, and one side of the second PCB, which is back to the electric core, are partially exposed out of the insulating cover. After the battery pack is installed in the shell of the flashlight, the battery pack supplies power to the flashlight through the first polarity part and the second polarity part, the control board in the flashlight is electrically connected with one of the first conduction part and the second conduction part, and the tail control board is electrically connected with the other one of the first conduction part and the second conduction part. Like this, can realize the intercommunication between control panel and the tail control panel through battery pack to the insulating cover has isolated the casing of first electric connector and torch, guarantees that the casing can not electrified, and combustible gas or dust in the environment can not be ignited to the torch, satisfies explosion-proof and fire control requirement.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the embodiments or exemplary technical descriptions will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings may be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a battery assembly provided in an embodiment of the present application;

fig. 2 is an exploded view of the battery assembly shown in fig. 1;

fig. 3 is a schematic structural diagram of the battery assembly provided in the embodiment of the present application after removing the first PCB, the second PCB and the insulating sleeve;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is an enlarged partial view of FIG. 4 at B;

FIG. 7 is a schematic structural diagram of a flashlight provided by an embodiment of the present application.

Wherein, in the figures, the various reference numbers are given by way of example only:

1. an electric core;

2. a first PCB board; 21. a first polar part; 211. a first positive electrode; 212. a first negative electrode; 22. a first conduction part;

3. a second PCB board;

41. a first electrical connection; 42. a second electrical connection; 421. a first bending section; 422. a second bending section; 43. a third electrical connection; 44. a fourth electrical connection;

5. an insulating sleeve;

61. a first insulating pad; 62. a second insulating pad; 63. an insulating ring;

7. a housing;

81. a control panel; 82. a tail control board; 83. pressing a key;

9. a light emitting device.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used merely for convenience in describing the present application and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As described in the background art, in the prior art, the wires connecting the control board and the tail control board can only pass through between the battery and the housing, when the wires contact the housing, the metal housing is easily electrified, and when the flashlight is applied to a special scene such as a mine or a fire rescue environment, the electrified housing easily ignites combustible gas or dust in the environment, which causes a safety hazard.

In order to solve the above problems, an embodiment of the present invention provides a battery assembly, please refer to fig. 1-3, which includes a battery cell 1, a first PCB (Printed circuit board) 2, a second PCB 3, a first electrical connector 41, and an insulating sheath 5. First PCB board 2 and second PCB board 3 are located the both ends of electric core 1 respectively, and first PCB board 2 and second PCB board 3 all are connected with electric core 1 electricity. The first electrical connector 41 is attached to the outer side of the battery cell 1, one end of the first electrical connector 41 is electrically connected to one surface of the first PCB 2 facing the battery cell 1, and the other end of the first electrical connector 41 is electrically connected to one surface of the second PCB 3 facing the battery cell 1. Insulating cover 5 cladding electric core 1, first electric connector 41, first PCB board 2 and second PCB board 3, and the one side that first PCB board 2 deviates from electric core 1 and the one side that second PCB board 3 deviates from electric core 1 all partially expose in insulating cover 5. The first PCB 2 is provided with a first polarity portion 21 and a first conduction portion 22 at a portion exposed out of the insulating sleeve 5, the second PCB 3 is provided with a second polarity portion and a second conduction portion at a portion exposed out of the insulating sleeve 5, the first polarity portion 21 and the second polarity portion are used for supplying power to the outside, and the first conduction portion 22 and the second conduction portion are electrically connected through a first electrical connector 41.

In the embodiment of the present application, a first PCB 2 and a second PCB 3 electrically connected to the battery cell 1 are disposed at two ends of the battery cell 1, and the first PCB 2 and the second PCB 3 are electrically connected to each other through a first electrical connector 41. Insulating cover 5 cladding electric core 1, first electric connector 41, first PCB board 2 and second PCB board 3, and the one side that first PCB board 2 deviates from electric core 1 and the one side that second PCB board 3 deviates from electric core 1 all partially expose in insulating cover 5. When the battery pack is installed in the housing 7 of the flashlight, the battery pack supplies power to the flashlight through the first polarity portion 21 and the second polarity portion, the control board 81 in the flashlight is electrically connected with one of the first conduction portion 22 and the second conduction portion, and the tail control board 82 is electrically connected with the other of the first conduction portion 22 and the second conduction portion. Like this, can realize the intercommunication between control panel 81 and the tail control panel 82 through battery pack to insulating cover 5 has isolated the casing 7 of first electric connector 41 and torch, guarantees that casing 7 can not electrified, and combustible gas or dust in the environment can not be ignited to the torch, satisfies explosion-proof and fire control requirement.

In addition, the switch of the flashlight, which is positioned at one end of the battery assembly, can control the state of an electric component at the other end of the battery assembly through the battery assembly, and the shell cannot be electrified.

An ordinary battery can be used as the battery cell 1, and the shape of the first PCB 2 and the shape of the second PCB 3 are respectively matched with the cross-sectional shape of the battery cell 1. As an example, a connection nickel plate having a strip-shaped plate structure may be used as the first electrical connection member 41. After the two ends of the first electrical connector 41 are connected to the first PCB 2 and the second PCB 3, respectively, the middle part of the first electrical connector 41 passes through the outer peripheral surface of the battery cell 1 along the axial direction parallel to the battery cell 1. It can be understood that the insulating sleeve 5 is made of an insulating material, and when the insulating sleeve 5 covers the battery core 1, the first electrical connector 41, the portion of the first PCB 2 and the portion of the second PCB 3, the first electrical connector 41 is prevented from contacting the casing 7, so that the first electrical connector 41 is prevented from electrifying the casing 7.

Wherein, the battery pack supplies power to the outside through first PCB board 2 and second PCB board 3, and is schematic, and first PCB board 2 and second PCB board 3 can be walked at the one side towards electric core 1 respectively to first PCB board 2 and second PCB board 3 can expose the copper at the one side that deviates from electric core 1 respectively, with form first polarity portion 21 and first conduction portion 22 on first PCB board 2, form second polarity portion and second conduction portion on second PCB board 3. Wherein the first and second polarity portions 21 and 21 serve as electrodes of the battery assembly. After the surface of the first PCB 2 facing the battery cell 1 is connected to the first electrical connector 41, the first conduction part 22 may be electrically connected to the first electrical connector 41 through a circuit on the first PCB 2; after the surface of the second PCB 3 facing the electric core 1 is connected to the first electrical connector 41, the second conductive part can be electrically connected to the first electrical connector 41 through a circuit on the second PCB 3. When two ends of the battery pack are respectively provided with one circuit board, each circuit board can be connected with the opposite conduction part, so that the two circuit boards can be communicated with each other.

In an embodiment, please refer to fig. 2 and fig. 3, as a specific implementation manner of the battery assembly provided in the embodiment of the present application, a structure of a surface of the first PCB 2, which is away from the battery cell 1, is the same as a structure of a surface of the second PCB 3, which is away from the battery cell 1, the first polarity portion 21 includes a first positive electrode 211 and a first negative electrode 212, the second polarity portion includes a second positive electrode and a second negative electrode, the positive electrode of the battery cell 1 and the negative electrode of the battery cell 1 are respectively located at two ends of the battery cell 1, the first positive electrode 211 and the second positive electrode are both electrically connected to the positive electrode of the battery cell 1, and the first negative electrode 212 and the second negative electrode are both electrically connected to the negative electrode of the battery cell 1.

It should be noted that, after the insulating sleeve 5 covers the first PCB 2 and the second PCB 3, the two ends of the battery assembly have the same structure. For example, as shown in fig. 2, the first positive electrode 211, the first negative electrode 212, and the first conduction part 22 are concentrically arranged, and are spaced apart from each other. The first positive electrode 211 may have a circular structure concentric with the first PCB 2, and the first negative electrode 212 and the first via 22 may have a ring structure, respectively. The shape and position of the second positive electrode are the same as those of the first positive electrode 211, the shape and position of the second conductive part are the same as those of the first conductive part 22, and the shape and position of the second negative electrode are the same as those of the first negative electrode 212. Fig. 2 shows that the left end of the battery cell 1 is the positive electrode of the battery cell 1, and the right end of the battery cell 1 is the negative electrode of the battery cell 1.

This structure, the structure at battery pack both ends is the same, when battery pack assembles to the torch, need not distinguish battery pack's direction, is favorable to improving the production efficiency of torch. In addition, when a customer installs the battery pack, the positive and negative electrodes of the battery pack do not need to be distinguished, and the problem that the flashlight cannot work or even is damaged due to the wrong installation of the battery pack is avoided.

In addition, the power consumption part that the torch is located battery pack one end can contact the positive pole and the negative pole of battery pack one end and get the electricity, and the power consumption part that the torch is located the battery pack other end can contact the positive pole and the negative pole of battery pack other end and get the electricity.

In one embodiment, referring to fig. 2 to fig. 6, as an embodiment of the battery assembly provided in the present application, the battery assembly further includes a second electrical connection member 42 for connecting the first positive electrode 211 and the second positive electrode. The positive electrode of the battery cell 1 faces the first PCB 2, the second electric connector 42 is attached to the outer side of the battery cell 1, the insulating sleeve 5 covers the second electric connector 42, one end of the second electric connector 42 is electrically connected with the positive electrode of the battery cell 1 and one surface of the first PCB 2 facing the battery cell 1, respectively, and the other end of the second electric connector 42 is electrically connected with one surface of the second PCB 3 facing the battery cell 1.

For example, a strip-shaped connection nickel plate of a plate structure may be used as the second electrical connector 42. When the second electrical connector 42 is connected to the first PCB 2, the first positive electrode 211 can be electrically connected to the second electrical connector 42 through the circuit on the first PCB 2, and correspondingly, the second positive electrode can be electrically connected to the second electrical connector 42 through the circuit on the second PCB 3.

This structure can make the positive pole of electric core 1 be connected with the first anodal 211 on the first PCB board 2 and the second anodal electricity on the second PCB board 3 respectively through above-mentioned setting to first anodal 211 and the anodal positive pole that all can regard as battery pack of second.

In a more specific embodiment, please refer to fig. 2 and fig. 3 to fig. 5, as a specific implementation of the battery assembly provided by the embodiment of the present application, the battery assembly further includes a first insulating pad 61 located between the first PCB board 2 and the positive electrode of the battery cell 1. One end of the second electrical connector 42 has a first bending section 421 and a second bending section 422 which are arranged at an interval, the first bending section 421 is located on one side of the first insulating pad 61 facing the positive electrode of the electric core 1 and electrically connected with the positive electrode of the electric core 1, and the second bending section 422 is located on one side of the first insulating pad 61 facing the first PCB 2 and electrically connected with the first PCB 2.

Illustratively, the first insulating pad 61 may be a circular sheet structure made of an insulating material. The first bending section 421 and the second bending section 422 are respectively located on two opposite sides of the first insulating pad 61, and when the first PCB 2, the first insulating pad 61 and the electric core 1 are compressed, the second bending section 422 located between the first PCB 2 and the first insulating pad 61 and the first bending section 421 located between the first insulating pad 61 and the electric core 1 can electrically connect the first positive electrode 211 on the first PCB 2 with the positive electrode of the electric core 1. It is worth mentioning that one end of the first electrical connector 41 is located on a side of the first insulating pad 61 facing the first PCB board 2 and is electrically connected with the first PCB board 2.

This structure can avoid first PCB board 2 to take place the mistake to bump and lead to the short circuit towards the line of walking of electric core 1 one side and the positive pole of electric core 1 through setting up first insulation pad 61, and first insulation pad 61 can play protection and insulating effect promptly. The first bent section 421 and the second bent section 422 can make the first positive electrode 211 conducted with the positive electrode of the battery cell 1.

In an embodiment, referring to fig. 2 and fig. 3, as an embodiment of the battery assembly provided in the embodiment of the present application, the battery assembly further includes a third electrical connection member 43 for connecting the first negative electrode 212 and the second negative electrode. The negative pole of electric core 1 is towards second PCB board 3, and the negative pole of electric core 1 is connected with the second negative pole electricity. The third electric connector 43 is attached to the outer side of the battery cell 1, the insulating sleeve 5 covers the third electric connector 43, one end of the third electric connector 43 is electrically connected with one surface, facing the battery cell 1, of the second PCB 3, and the other end of the third electric connector 43 is electrically connected with one surface, facing the battery cell 1, of the first PCB 2.

Illustratively, the structure of the third electrical connection member 43 may be the same as that of the first electrical connection member 41. When the battery pack is provided with the first insulating pad 61, the other end of the third electrical connection member 43 is positioned between the first PCB 2 and the first insulating pad 61 and electrically connected to the first PCB 2. After the third electrical connector 43 is connected to the first PCB 2 and the second PCB 3, the first negative electrode 212 and the third electrical connector 43 can be conducted through the circuit on the first PCB 2, and the second negative electrode and the third electrical connector 43 can be conducted through the circuit on the second PCB 3.

With the structure, after the negative electrode of the battery cell 1 is electrically connected with the second negative electrode, the first negative electrode 212 and the second negative electrode can be conducted through the third electric connector 43, so that the first negative electrode 212 and the second negative electrode can be both used as the negative electrodes of the battery assembly.

In a more specific embodiment, please refer to fig. 2, fig. 4 and fig. 6, as a specific implementation manner of the battery assembly provided in the embodiment of the present application, the battery assembly further includes a second insulating pad 62, where the fourth electrical connection member 44 is located between the second PCB 3 and the negative electrode of the battery cell 1, one end of the fourth electrical connection member 44 is electrically connected to the negative electrode of the battery cell 1, the other end of the fourth electrical connection member 44 bypasses the second insulating pad 62 and is electrically connected to a side of the second PCB 3 facing the battery cell 1, and the insulating sleeve 5 covers the fourth electrical connection member 44.

The structure of the second insulating pad 62 may be the same as that of the first insulating pad 61, and the second insulating pad 62 may prevent the wiring of the second PCB 3 facing one side of the battery cell 1 from being mistakenly touched with the negative electrode of the battery cell 1 to cause a short circuit. As the fourth electrical connecting member 44, a nickel strip-shaped sheet structure may be used, and fig. 2 and 6 show that the fourth electrical connecting member 44 is formed in an approximate "C" type structure, and two ends of the "C" type structure are respectively located at two opposite sides of the second insulating pad 62. Schematically, the first electrical connector 41, the second electrical connector 42, the third electrical connector 43 and the fourth electrical connector 44 are arranged at intervals around the axis of the electric core 1. When the second PCB board 3, the second insulating pad 62 and the battery cell 1 are compressed, the fourth electrical connector 44 may conduct the negative electrode of the battery cell 1 with the second negative electrode.

In a further specific embodiment, referring to fig. 2, fig. 4 and fig. 6, as a specific implementation of the battery assembly provided in the embodiment of the present application, the battery assembly further includes an insulating ring 63 located between the second insulating pad 62 and the second PCB 3, a portion of the second PCB 3 located inside the insulating ring 63 is mounted with an electronic component, and the other end of the fourth electrical connector 44 respectively bypasses the second insulating pad 62 and the insulating ring 63 and is electrically connected to a surface of the second PCB 3 facing the battery cell 1.

Illustratively, the electronic component includes a Metal Oxide Semiconductor Field Effect Transistor (MOS) and an Integrated Circuit (IC) chip, and the MOS Transistor is respectively mounted on one side of the second PCB 3 facing the electric core 1, the MOS Transistor can be used for controlling on/off of a Circuit on the second PCB 3, the IC chip can be used for calculating data, when the electric core 1 is charging or discharging, the IC chip calculates data of the electric core 1, when the data of the electric core 1 is found to exceed or be lower than a preset value, the IC chip sends a signal to the MOS Transistor, and the MOS Transistor disconnects the Circuit on the second PCB 3 after receiving the signal sent by the IC chip, so as to avoid overcharge or overdischarge of the electric core 1. The electronic components are located in the insulating ring 63 on the second PCB 3, and the insulating ring 63 can prevent the electronic components from being damaged by being pressed when the end of the battery is pressed. It is worth mentioning that the ends of the first electrical connector 41, the second electrical connector 42, the third electrical connector 43 and the fourth electrical connector 44 facing the second PCB 3 are all located between the insulating ring 63 and the second PCB 3.

In an embodiment, referring to fig. 1 and fig. 2, as an embodiment of the battery assembly provided in the embodiment of the present application, the first conducting part 22 is located between the first positive electrode 211 and the first negative electrode 212, and the second conducting part is located between the second positive electrode and the second negative electrode.

For example, the first conduction part 22 is disposed around the first positive electrode 211, and the first negative electrode 212 is disposed around the first conduction part 22; the second conducting part is arranged around the second positive electrode, and the second negative electrode is arranged around the second conducting part.

This structure is favorable to increasing the interval between first positive pole 211 and the first negative pole 212, is favorable to increasing the interval between second positive pole and the second negative pole simultaneously, reduces battery pack's tip and external conducting material mistake and touches and take place the risk of short circuit.

It should be noted that the arrangement manner among the first positive electrode 211, the first conduction part 22 and the first negative electrode 212 is not limited, for example, the first positive electrode 211 may be disposed around the first conduction part 22, and the first negative electrode 212 may be disposed around the first positive electrode 211, which is not limited herein. The arrangement of the second positive electrode, the second conduction portion, and the second negative electrode is the same as the arrangement of the first positive electrode 211, the first conduction portion 22, and the first negative electrode 212.

In one embodiment, as a specific implementation of the battery assembly provided in the embodiments of the present application, the insulating sleeve 5 is a heat-shrinkable insulating sleeve 5. This structure, the assembly of the insulating cover 5 of being convenient for, establish insulating cover 5 cover on battery pack's all the other parts, heat insulating cover 5 and make insulating cover 5 inwards shrink and can realize the assembly of insulating cover 5.

In other embodiments, the insulating sleeve 5 may also be made of an elastic insulating material, and the insulating sleeve 5 is wrapped on the rest of the battery assembly by the elastic force of the insulating sleeve 5, which is not limited herein.

An embodiment of the present application further provides a flashlight, please refer to fig. 7, wherein reference sign C in fig. 7 denotes a battery assembly. The flashlight includes a housing 7, and a control board 81, a rear control board 82 and the battery assembly provided in any of the above embodiments, respectively, mounted in the housing 7. The control board 81 is electrically connected to the first polarity portion 21 and the first conduction portion 22, respectively, and the tail control board 82 is electrically connected to the second polarity portion and the second conduction portion, respectively. Alternatively, the control plate 81 is electrically connected to the second polarity portion and the second conduction portion, respectively, and the tail control plate 82 is electrically connected to the first polarity portion 21 and the first conduction portion 22, respectively.

Illustratively, as shown in fig. 7, the control board 81 is located in the housing 7 on a side of the battery assembly facing the light emitting assembly 9, and the rear control board 82 is located in the housing 7 on a side of the battery assembly facing away from the light emitting assembly 9. Taking the control board 81 as an example, a mounting seat is provided between the control board 81 and the battery pack, and a plurality of springs electrically connected to the control board 81 are provided on the mounting seat, one of the springs is electrically connected to the first conduction part 22 or the second conduction part, and the remaining springs are connected to the first polarity part 21 or the second polarity part.

In one embodiment, the rear end of the housing 7 is provided with a button 83 electrically connected to the rear control board 82, and the user can control the lighting mode of the flashlight, such as strong light, working light, flashing and the like, by pressing the button 83.

Furthermore, a red indicator light is arranged on one side of the tail control board 82, which is far away from the battery assembly, and a vibration switch electrically connected with the red indicator light is further installed on the tail control board 82. Accordingly, the keys 83 may be made of a light-transmitting material. Through the arrangement, when the flashlight is installed on the helmet, the vibration switch can check the state of a user, for example, when the flashlight is not in motion for 30 seconds, the red indicator light is on, and when the flashlight moves, the red indicator light is off. When a user wears the helmet with the flashlight for operation, if the red indicator light is on, the potential safety hazard of the user is possibly caused, help is required to be sought, and surrounding personnel can pay attention to and give help in time when seeing the red light emitted by the red indicator light.

This structure adopts above-mentioned battery pack's torch, and the control panel 81 and the tail control panel 82 of torch can realize intercommunication through battery pack to the casing 7 of torch can not be electrified, and the torch can not ignite combustible gas or dust in the environment, satisfies explosion-proof and fire control requirement.

The present application is intended to cover various modifications, equivalent arrangements, and adaptations, which may be made within the spirit and scope of the present application.

Claims (10)

1. A battery assembly, comprising:

an electric core;

the battery cell comprises a battery cell, a first PCB and a second PCB, wherein the first PCB and the second PCB are respectively positioned at two ends of the battery cell and are electrically connected with the battery cell;

the first electric connector is attached to the outer side of the battery cell, one end of the first electric connector is electrically connected with one surface, facing the battery cell, of the first PCB, and the other end of the first electric connector is electrically connected with one surface, facing the battery cell, of the second PCB;

the insulating sleeve covers the battery cell, the first electric connector, the first PCB and the second PCB, and one surface of the first PCB, which is away from the battery cell, and one surface of the second PCB, which is away from the battery cell, are partially exposed out of the insulating sleeve;

the first PCB is provided with a first polarity portion and a first conduction portion, the portion, exposed out of the insulating sleeve, of the first PCB is provided with a second polarity portion and a second conduction portion, the first polarity portion and the second polarity portion are used for supplying power to the outside, and the first conduction portion is electrically connected with the second conduction portion through the first electric connecting piece.

2. The battery assembly of claim 1, wherein a side of the first PCB that faces away from the battery cell is structurally the same as a side of the second PCB that faces away from the battery cell, the first polarity portion comprises a first positive electrode and a first negative electrode, the second polarity portion comprises a second positive electrode and a second negative electrode, the positive electrode of the battery cell and the negative electrode of the battery cell are respectively located at two ends of the battery cell, the first positive electrode and the second positive electrode are electrically connected to the positive electrode of the battery cell, and the first negative electrode and the second negative electrode are electrically connected to the negative electrode of the battery cell.

3. The battery assembly of claim 2, further comprising a second electrical connector that connects the first positive electrode and the second positive electrode, wherein the positive electrode of the battery cell faces the first PCB, the second electrical connector is attached to the outside of the battery cell, the insulating sleeve covers the second electrical connector, one end of the second electrical connector is electrically connected to the positive electrode of the battery cell and one surface of the first PCB, which faces the battery cell, respectively, and the other end of the second electrical connector is electrically connected to one surface of the second PCB, which faces the battery cell.

4. The battery assembly of claim 3, further comprising a first insulating pad positioned between the first PCB and the positive electrode of the cell, wherein one end of the second electrical connector has a first bent section and a second bent section that are spaced apart from each other, the first bent section is positioned on a side of the first insulating pad facing the positive electrode of the cell and electrically connected to the positive electrode of the cell, and the second bent section is positioned on a side of the first insulating pad facing the first PCB and electrically connected to the first PCB.

5. The battery assembly of claim 2, further comprising a third electrical connector that connects the first negative electrode and the second negative electrode, wherein the negative electrode of the battery cell faces the second PCB, the negative electrode of the battery cell is electrically connected to the second negative electrode, the third electrical connector is attached to the outside of the battery cell, the insulating sheath covers the third electrical connector, one end of the third electrical connector is electrically connected to a surface of the second PCB facing the battery cell, and the other end of the third electrical connector is electrically connected to a surface of the first PCB facing the battery cell.

6. The battery assembly of claim 5, further comprising a second insulating pad having a fourth electrical connection between the second PCB and the negative electrode of the cell, wherein one end of the fourth electrical connection is electrically connected to the negative electrode of the cell, and the other end of the fourth electrical connection bypasses the second insulating pad and is electrically connected to a side of the second PCB facing the cell, and the insulating sleeve covers the fourth electrical connection.

7. The battery assembly of claim 6, further comprising an insulating ring between the second insulating pad and the second PCB, wherein a portion of the second PCB located in the insulating ring is mounted with an electronic component, and the other end of the fourth electrical connector bypasses the second insulating pad and the insulating ring and is electrically connected with a side of the second PCB facing the battery cell.

8. The battery assembly of claim 2, wherein the first via is between the first positive electrode and the first negative electrode, and the second via is between the second positive electrode and the second negative electrode.

9. The battery module of any of claims 1-8 wherein the insulating sleeve is a heat shrink insulating sleeve.

10. Torch comprising a housing and a control board, a tail control board and a battery assembly according to any of claims 1-9 mounted in said housing, respectively;

the control board is electrically connected with the first polarity part and the first conduction part respectively, and the tail control board is electrically connected with the second polarity part and the second conduction part respectively; alternatively, the first and second electrodes may be,

the control panel is respectively and electrically connected with the second polarity part and the second conduction part, and the tail control panel is respectively and electrically connected with the first polarity part and the first conduction part.

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